package com.nikanbujian.reggie.filter;

import com.alibaba.fastjson.JSON;
import com.nikanbujian.reggie.common.BaseContext;
import com.nikanbujian.reggie.common.R;
import lombok.extern.slf4j.Slf4j;
import org.springframework.util.AntPathMatcher;

import javax.servlet.*;
import javax.servlet.annotation.WebFilter;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.lang.reflect.AnnotatedArrayType;

@WebFilter(filterName = "loginCheckFiter",urlPatterns = "/*")
@Slf4j
public class LoginCheckFilter implements Filter {
//路径匹配器
    public static final AntPathMatcher PATH_MATCHER =new AntPathMatcher();
    @Override
    public void doFilter(ServletRequest servletRequest, ServletResponse servletResponse, FilterChain filterChain) throws IOException, ServletException {
        HttpServletRequest request=(HttpServletRequest) servletRequest;
        HttpServletResponse response =(HttpServletResponse) servletResponse;
        String requestURI = request.getRequestURI();
        String[] urls=new String[]{
                "/employee/login",
                "/employee/logout",
                "/backend/**",
                "/front/**",
                "/common/**",
                "/user/sendMsg",
                "/user/login"
        };
        boolean check = check(urls, requestURI);
        log.info("拦截到请求{}",requestURI);
        if (check){
            log.info("本次请求不需要处理{}",requestURI);
            filterChain.doFilter(request,response);
            return;
        }
        if (request.getSession().getAttribute("employee")!=null)
        {log.info("用户已登录,id{}",request.getSession().getAttribute("employee"));
            BaseContext.CurrentId((Long) request.getSession().getAttribute("employee"));
            filterChain.doFilter(request,response);
            return;
        }
        if (request.getSession().getAttribute("user")!=null)
        {log.info("用户已登录,id{}",request.getSession().getAttribute("user"));
            BaseContext.CurrentId((Long) request.getSession().getAttribute("user"));
            filterChain.doFilter(request,response);
            return;
        }
        log.info("用户未登录");
        response.getWriter().write(JSON.toJSONString(R.error("NOTLOGIN")));
//        log.info("拦截到 {}",request.getRequestURI());
//        filterChain.doFilter(request,response);
    }
    public boolean check(String[] urls,String uri){
        for (String url : urls) {
            boolean match = PATH_MATCHER.match(url, uri);
            if (match){
                return true;
            }

        }
        return false;

    }
}
